Bug 56000 - Sharing violation / IO errors on System.Web tests under Intel64 coop
Summary: Sharing violation / IO errors on System.Web tests under Intel64 coop
Alias: None
Product: Runtime
Classification: Mono
Component: General ()
Version: master
Hardware: PC Mac OS
: --- normal
Target Milestone: ---
Assignee: Aleksey Kliger
Depends on:
Reported: 2017-05-04 19:06 UTC by Andi McClure
Modified: 2017-07-10 16:43 UTC (History)
3 users (show)

Tags: 2017-06
Is this bug a regression?: ---
Last known good build:

Notice (2018-05-24): bugzilla.xamarin.com is now in read-only mode.

Please join us on Visual Studio Developer Community and in the Xamarin and Mono organizations on GitHub to continue tracking issues. Bugzilla will remain available for reference in read-only mode. We will continue to work on open Bugzilla bugs, copy them to the new locations as needed for follow-up, and add the new items under Related Links.

Our sincere thanks to everyone who has contributed on this bug tracker over the years. Thanks also for your understanding as we make these adjustments and improvements for the future.

Please create a new report on GitHub or Developer Community with your current version information, steps to reproduce, and relevant error messages or log files if you are hitting an issue that looks similar to this resolved bug and you do not yet see a matching new report.

Related Links:

Comment 1 Aleksey Kliger 2017-07-10 16:43:30 UTC
Fixed on master by https://github.com/mono/mono/commit/6d88df8d824a0813093ec0e7ef586cd62920466a (specifically by https://github.com/mono/mono/commit/2b5d0fe422ed485a65df469329782d6744dd5fe5)

Fixed on 2017-06 by https://github.com/mono/mono/commit/0a3ea22257db11cae5274cc62474cb998dc95778

In each of those tests, mono was invoking a process to run resgen.exe (which is another managed program) which was failing on shutdown due to a coop mutex in mono_w32handle_unref that was already destroyed by an earlier shutdown step.